Which of these is the best description for a Zener diode?

Another name for Zener diode is ___________ diode

A

Breakdown

B

Voltage

C

Power

D

Current

The doping level in a zener diode is ___________ that of a crystal diode

A

the same as

B

less than

C

more than

D

none of the above

In a loaded Zener regulator, which is the largest Zener current?

A

Series current

B

Zener current

C

Load current

D

None of the above

A Zener voltage regulator will cease to act as a voltage regulator if Zener current becomes ___________

A

Less than load current

B

Zero

C

More than load current

D

None of the above

If the load resistance decreases in a Zener regulator, then Zener current ___________

A

Decreases

B

Stays the same

C

Increases

D

None of the above

Which of the following is true about the resistance of a Zener diode?

A

It has an incremental resistance

B

It has dynamic resistance

C

The value of the resistance is the inverse of the slope of the i-v characteristics of the Zener diode

D

All of the mentioned

Zener diode are generally made of ___________

A

Germanium

B

Silicon

C

Carbon

D

None of the above

A Zener diode that has very narrow depletion layer will breakdown by mechanism

A

Avalanche

B

Zener

C

Both avalanche and Zener

D

None of the above

A zener diode is used as ___________

A

an amplifier

B

a voltage regulator

C

a rectifier

D

a multivibrator

The load voltage is approximately constant when a Zener diode is ___________

A

Forward biased

B

Unbiased

C

Reverse biased

D

Operating in the breakdown region

Which of these is the best description for a Zener diode?

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